 /*
  * Copyright (c) 2023 Huawei Device Co., Ltd.
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

#include "iservice_registry.h"

namespace OHOS {
SystemAbilityManagerClient* SystemAbilityManagerClient::clientInstance = nullptr;
SystemAbilityManagerClient SystemAbilityManagerClient::defaultInstance;
std::mutex SystemAbilityManagerClient::instanceMtx;

SystemAbilityManagerClient& SystemAbilityManagerClient::GetInstance()
{
    std::lock_guard<std::mutex> lock(instanceMtx);
    if (clientInstance == nullptr) {
        clientInstance = new (std::nothrow)SystemAbilityManagerClient();
        if (clientInstance == nullptr) {
            return defaultInstance;
        }
    }
    return *clientInstance;
}
} // namespace OHOS
